IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams for 04-07 STI. 2020-subaru-wrx sti-sport improves crankcase ventilation and is

improves crankcase ventilation and is compatible with standard ECU calibrations

0 Valve Guide and Seat Machine to cut all intake and exhaust seats with a multi-angle valve job that suits the flow characteristics of GSC's +1mm valves

The pan is designed to use the included OEM style Viton dipstick o-rings with a unique chamfer to aid in the installation of the dipstick

1/8th inch NPT plug is also included in the event that the sensor port is not used

GTIN: 00887753777423

IAG 900 Closed Deck Long Block Engine w/ Stage 4 Heads & GSC S3 Cams for 04-07 STI. 2020-subaru-wrx sti-sport improves crankcase ventilation and isIAG 900 EJ25 Closed Deck Long Block w Stage 4 Heads: The IAG Performance Hand Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover to valve cover, crate engine. These engines offer easy installation for customers seeking a complete "drop in" engine package for their WRX, STI, Forester XT or Legacy GT. The Long Blocks feature a combo of our proven IAG Performance Closed Deck Short Block and Cylinder Head packages, along